/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

lexer grammar LogQLLexer;

// line filter operator
CONTAINS:      '|=';
NOT_CONTAINS:  '!=';

// Constructors symbols
L_ACCENT:      '`';
COMMA:       ',';
L_BRACE:     '{';
R_BRACE:     '}';
EQ:          '=';

// Literals
NAME_STRING: NameLetter+;
VALUE_STRING: '\'' .*? '\'' | '"' .*? '"' | '`' .*? '`';

// Fragments
fragment NameLetter: [a-zA-Z0-9_];

WS : [ \t\r\n]+ -> skip;